Hitachi OC. Decel fault code meaning

Series: HFC-VWS

Overcurrent during motor deceleration

AC drive

Meaning: Connected inertia is too large to be decelerated within the time set; output short-circuit or ground fault. | Prolong the deceleration time; set a time that conforms to inertia of the load; correct the short-circuit or ground fault.

Possible causes

Source: Hitachi HFC-VWS Instruction Manual P51